<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Insert title here</title>
        <script type="text/javascript">
        	function encryptform(formobj){
				for(var i=0;i<formobj.elements.length;i++){
					formobj.elements[i].value=encrypt(formobj.elements[i].value);
				}
			}
        	function encrypt(val){
				var newval="";
				for(var i=0;i<val.length;i++){
					newval+=val.charCodeAt(i)+".";
				}
				return newval;
			}
        </script>
    </head>
    <body>
    	<form action="#" name="myForm" onsubmit="encryptform(this);alert(this.mytext.value);">
    		phone:<input name="mytext"></input><br>
			num:<input name="mynum"></input>
			<br><input type="submit"/>
    	</form>
    </body>
</html>
